package com.example.demo_mybatis_many.mapper;

import com.example.demo_mybatis_many.entity.User;

import java.util.List;

/**
 * @ClassName UserMapper
 * @Description
 * @Author zhangsw
 * @Date 2021/1/10 16:55
 * @Version 1.0
 */
public interface UserMapper {

    List<User> selectAll();

    int save(User user);
}
